feat(library): book spec — open library

tests/fixtures/canonical-book.md

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+---
+type: book_item
+title: 1984
+read_status: Read
+rating: 5
+rating_stars: ⭐️⭐️⭐️⭐️⭐️
+authors: [George Orwell]
+year: 1949
+pages: 328
+genre: [Dystopian fiction, Science fiction, Politics, Totalitarianism, Fiction, Classic literature, "Government, resistance to", Surveillance]
+olid: OL1168083W
+isbn: 9780451524935
+poster: "https://covers.openlibrary.org/b/id/12919016-L.jpg"
+url: "https://openlibrary.org/works/OL1168083W"
+tags: [books, book]
+---
+
+# 1984
+
+![poster|200](https://covers.openlibrary.org/b/id/12919016-L.jpg)
+
+**Book** · 1949 · 328 p.
+
+**Read Status:** Read
+
+**Authors:** George Orwell
+
+## Links
+- [Open Library](https://openlibrary.org/works/OL1168083W)
+- [Goodreads](https://www.goodreads.com/search?q=1984)
+
+## My Notes
+